ZoologybioRxiv
Offspring of first-generation hatchery steelhead trout (Oncorhynchus mykiss) grow faster in the hatchery than offspring of wild fish, but survive worse in the wild: possible mechanisms for inadvertent domestication and fitness loss in hatchery salmon
M. Blouin, M. C. Wrey, S. R. Bollmann…·C. Fuentes
The paper tests whether hatchery-raised steelhead trout grow faster in hatcheries but survive worse in the wild, finding a growth-survival tradeoff after one generation of selection.
DOI 10.1371/journal.pone.0257407